action.yml

# SPDX-FileCopyrightText: 2025 Joe Pitt
#
# SPDX-License-Identifier: GPL-3.0-only

---
name: Get Latest Version from GitHub Package
author: Joe Pitt
description: Get the latest version from a GitHub package.
inputs:
  token:
    description: The token to authenticate to GitHub with.
    required: true
  owner:
    description: The owner of the package.
    required: true
  package_name:
    description: The name of the package to query.
    required: true
  package_type:
    description: 'The type of package to query (one of: npm, maven, rubygems, docker, nuget, container). Defaults to "container".'
    required: false
    default: container
  greater_equal_version:
    description: The minimum version to accept, e.g. 2.0.0. Defaults to None.
    required: false
  less_than_version:
    description: The version to accept versions less than, e.g. 3.0.0. Defaults to None.
    required: false
outputs:
  tag:
    description: The image tag for the latest version.
    value: ${{ steps.get_version.outputs.tag }}
  version:
    description: The latest version number.
    value: ${{ steps.get_version.outputs.version }}
runs:
  using: composite
  steps:
  - name: Get Latest Version
    id: get_version
    env:
      GITHUB_ACTION_PATH: ${{ github.action_path }}
      INPUT_greater_equal_version: ${{ inputs.greater_equal_version }}
      INPUT_less_than_version: ${{ inputs.less_than_version }}
      INPUT_owner: ${{ inputs.owner }}
      INPUT_package_name: ${{ inputs.package_name }}
      INPUT_package_type: ${{ inputs.package_type }}
      INPUT_token: ${{ inputs.token }}
    shell: python
    run: |
      from os import getenv
      from os.path import abspath, join
      import sys

      sys.path.insert(1, abspath(join(getenv("GITHUB_ACTION_PATH", "."), "lib")))

      from get_latest_version.github import get_latest_version_from_package
      from get_latest_version.functions import clean_version
      from semver import Version

      greater_equal_version = None
      if getenv("INPUT_greater_equal_version") is not None and len(getenv("INPUT_greater_equal_version")) >= 5:
          greater_equal_version = Version.parse(getenv("INPUT_greater_equal_version"))
      less_than_version = None
      if getenv("INPUT_less_than_version") is not None and len(getenv("INPUT_less_than_version")) >= 5:
          less_than_version = Version.parse(getenv("INPUT_less_than_version"))

      tag = get_latest_version_from_package(
          token=getenv("INPUT_token"),
          owner=getenv("INPUT_owner"),
          package_name=getenv("INPUT_package_name"),
          package_type=getenv("INPUT_package_type"),
          greater_equal_version=greater_equal_version,
          less_than_version=less_than_version,
      )

      with open(getenv("GITHUB_OUTPUT"), "a", encoding="utf-8") as f:
          f.write(f"tag={tag}\n")
          f.write(f"version={Version.parse(clean_version(tag))}\n")
  - name: Print Version
    id: print
    run: |
      echo "Latest version of ${{ inputs.owner }}/${{ inputs.package_name }} is ${{ steps.get_version.outputs.version }} with tag ${{ steps.get_version.outputs.tag }}"
    shell: bash
branding:
  color: blue
  icon: disc